CN109520164A - Split energy-saving type high temperature air-conditioner - Google Patents

Split energy-saving type high temperature air-conditioner Download PDF

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Publication number
CN109520164A
CN109520164A CN201811400418.6A CN201811400418A CN109520164A CN 109520164 A CN109520164 A CN 109520164A CN 201811400418 A CN201811400418 A CN 201811400418A CN 109520164 A CN109520164 A CN 109520164A
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CN
China
Prior art keywords
main
heat exchanger
compressor
high temperature
saving type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811400418.6A
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Chinese (zh)
Inventor
赵超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Chun Lan Mechanical And Electrical Equipment Engineering Co Ltd
Original Assignee
Dalian Chun Lan Mechanical And Electrical Equipment Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Chun Lan Mechanical And Electrical Equipment Engineering Co Ltd filed Critical Dalian Chun Lan Mechanical And Electrical Equipment Engineering Co Ltd
Priority to CN201811400418.6A priority Critical patent/CN109520164A/en
Publication of CN109520164A publication Critical patent/CN109520164A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/10Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00Compression machines, plants or systems, with several condenser circuits
    • F25B6/02Compression machines, plants or systems, with several condenser circuits arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/021Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02732Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two three-way valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/17Size reduction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/29High ambient temperatures

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A kind of Split energy-saving type high temperature air-conditioner disclosed by the invention, including main compressor, main condenser, main evaporator, First Heat Exchanger and the second heat exchanger, the main compressor is connected to by pipeline with main condenser, the main condenser is connected to by pipeline with First Heat Exchanger, the First Heat Exchanger is connected to main evaporator, the main evaporator is connected to the second heat exchanger, and the second heat exchanger is connected to main compressor;The Split energy-saving type high temperature air-conditioner further includes auxiliary compressor and secondary condenser, and the outlet tube of the auxiliary compressor is connected to secondary condenser, and the secondary condenser is connected to by pipeline with First Heat Exchanger, and the liquid back pipe of the compressor is connected to First Heat Exchanger.Split energy-saving type high temperature air-conditioner provided by the invention, structurally reasonable suitable for the place of high-temperature operation, main refrigeration system is small in size, light-weight, can be normal to freeze under 55 DEG C -60 DEG C of environmental working condition, has preferable promotional value.

Description

Split energy-saving type high temperature air-conditioner
Technical field
The present invention relates to air-conditioning manufacturing technology field more particularly to a kind of Split energy-saving type high temperature air-conditioners.
Background technique
Driving is a kind of steel and iron industry commonly production equipment, its working environment is generally relatively more severe.The main body of driving It is mainly electrical equipment control room inside girder steel, it is totally-enclosed, stuffy, there are electrical cabinet and control frequency converter, frequency conversion in electrical equipment control room The standard operating ambient temperature of device is 25 DEG C ± 2 DEG C.If temperature is excessively high, frequency converter just be can not work normally, and driving can not yet It operates normally.Secondly, driving girder steel inner space itself is narrow, height is very limited, so driving and other equipment air-conditionings It is very different with civil air conditioner.
According in steel mill's measured data, in hot rolling workshop, steelshop, steel slag workshop and warehouse of steel roll.In summer, driving is empty Locating environment temperature is adjusted to be substantially all in 55 DEG C~60 DEG C or so.Warehouse of steel roll operating ambient temperature reaches as high as 70 DEG C.Separately Outside, in metallurgical industry enterprise, dust concentration is very high (such as steelshop, steel slag workshop), and excessively high dust concentration is to air conditioner Condenser and evaporator cause very big influence.In air-conditioning in use, the condenser and evaporator of air-conditioning, meeting is by dust and dust Obstruction, reduces heat exchange efficiency, increases the inlet and outlet temperature of compressor, and power decline or compressor high temperature protection occur, make Entire refrigeration system failure.
In addition, since condensation temperature increases, refrigerant is increased in the degree of superheat of suction end, all under high temperature, environment dusty It will lead to delivery temperature and pressure at expulsion increase, or even be much higher than design value, deteriorate compressor running environment, reduce compression The machine service life.The high voltage protective that overheat can be triggered in the lesser hot environment of some temperature range of operation, can not work at all.
In the prior art, using the compressor of R22, R134A or R142B refrigerant, using high-temperature resistant fan motor and relay The components of device control, but still have the disadvantage in that
(1) compressor of R22 refrigerant: the latent value (ODP, ozone depletion potential) of ozone-depleting is The compressor of 0.045, R142B refrigerant: ODP 0.043, the two all have centainly to depletion of the ozone layer power, have been eliminated.And The compressor of R134A refrigerant: refrigerant unit volume is small, and refrigerating capacity is small, using R134A as refrigerant and using R410A as refrigeration Under the conditions of agent has identical refrigerating capacity, R134A needs the volume of bigger compressor and indoor and outdoor machine, causes equipment volume bigger, Weight is 3 times or more of R410A as refrigerant equipment.
(2) increase of indoor unit volume increases difficulty and difficulty that air conditioner is expert in interior portion's arrangement.
(3) use of big specification part, greatly increases equipment cost.
Therefore, it needs to design a kind of Split energy-saving type high temperature air-conditioner, solves problems of the prior art.
Summary of the invention
The purpose of the present invention is in view of the above technical problems, a kind of Split energy-saving type high-temperature air conditioner provided by the invention Device, structurally reasonable suitable for the place of high-temperature operation, main refrigeration system is small in size, light-weight, can be at 55 DEG C -60 DEG C It is normal to freeze under environmental working condition, there is preferable promotional value.
In order to solve the above technical problems, Split energy-saving type high temperature air-conditioner provided by the invention, specifically includes main compression Machine, main condenser, main evaporator, First Heat Exchanger and the second heat exchanger, the main compressor are connected by pipeline and main condenser Logical, the main condenser is connected to by pipeline with First Heat Exchanger, and the First Heat Exchanger is connected to main evaporator, the main steaming Hair device is connected to the second heat exchanger, and the second heat exchanger is connected to main compressor;The Split energy-saving type high temperature air-conditioner also wraps Auxiliary compressor and secondary condenser are included, the outlet tube of the auxiliary compressor is connected to secondary condenser, and the secondary condenser passes through pipeline It is connected to First Heat Exchanger, the liquid back pipe of the auxiliary compressor is connected to First Heat Exchanger.
In some embodiments, second heat exchanger further includes that condensed water nature discharge outlet, condensing water inlet, refrigerant enter Liquid mouth and refrigerant liquid outlet, the refrigerant liquid inlet are connected to by pipeline with main evaporator, and the refrigerant liquid outlet passes through pipeline It is connected to main compressor.
In some embodiments, gas-liquid separator is set between the refrigerant liquid outlet and main compressor.
In some embodiments, main evaporator lower part setting condensation water pond, condensation water pond are connected to the condensing water inlet. In some embodiments, filter and throttle valve are provided between the secondary condenser and First Heat Exchanger, the filter is set It sets in the upstream of throttle valve.
In some embodiments, main triple valve is provided between the filter and throttle valve, the main triple valve passes through Pipeline is connect with the secondary triple valve on auxiliary compressor liquid back pipe;Spray cooling is provided between the main triple valve and secondary triple valve Device and throttle capillary tube.
In some embodiments, the bottom of machine indoors is arranged in the main compressor.
In some embodiments, the First Heat Exchanger is column coaxial heat exchanger, and second heat exchanger is U-shaped changes Hot device.
In some embodiments, the Split energy-saving type high temperature air-conditioner further includes condenser fan, the condenser Fan is set to the top of the main condenser and secondary condenser.
The invention has the advantages that:
Split energy-saving type high temperature air-conditioner provided by the invention, it is structurally reasonable, it has following technical effect that
(1) the application is by increasing a set of small-sized cooling system resistant to high temperature, using column coaxial heat exchanger and in addition The cooling system of a set of high energy efficiency ratio is superimposed, and increases main cooling system condenser heat dissipation area, and it is empty to improve R410A refrigerant The service condition under 55 DEG C of -65 DEG C of environment of high temperature is adjusted, avoids leading to equipment because the pressure of system temperature is more than design critical value Stoppage protection;
(2) a set of U-shaped heat exchanger is arranged in the application, recycles the cooling capacity in condensed water produced by evaporator, goes out to condenser Mouthful refrigerant carry out time condensation, it is excessively high to reduce refrigerant temperature, is improving the refrigeration system of high energy efficiency ratio in a high temperauture environment just Normal power output, is not necessarily to extra power consumption, and energy-saving effect is good.
(3) two kinds of refrigerants, double-compressor, dual system are fused into a set of by the application by the coaxial heat exchanger of two kinds of specifications Complete split type structure has the advantages that high energy efficiency ratio, high temperature resistant, small in size, light-weight, increases equipment flexible arrangement Property.
Detailed description of the invention
It will be apparent and be easier reason by made detailed description, above-mentioned advantage of the invention in conjunction with the following drawings Solution, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is the module diagram of Split energy-saving type high temperature air-conditioner of the present invention;
Fig. 2 is cooling effect test data figure of the present invention.
In figure:
1. main compressor;2. main condenser;3. main evaporator;4. First Heat Exchanger;5. the second heat exchanger;5-1. condensed water Natural discharge outlet;5-2. refrigerant liquid inlet;5-3. refrigerant liquid outlet;6. auxiliary compressor;7. secondary condenser;8. gas-liquid separator; 9. filter;10. throttle valve;11. main triple valve;12. secondary triple valve;13. spray cooling device;14. throttle capillary tube;15. Condenser fan.
Specific embodiment
Fig. 1 is a kind of accompanying drawings of Split energy-saving type high temperature air-conditioner of the present invention, below with reference to specific reality Example and attached drawing are applied, the application is described in detail.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention, Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each section And its correlation.It note that for the ease of clearly showing the structure of each component of the embodiment of the present invention, identical reference Label is for indicating identical part.
The module diagram of herein described a kind of Split energy-saving type high temperature air-conditioner, as shown in Figure 1, it is specifically included Main compressor 1, main condenser 2, main evaporator 3, First Heat Exchanger 4 and the second heat exchanger 5, the main compressor 1 pass through pipeline It is connected to main condenser 2, the main condenser 2 is connected to by pipeline with First Heat Exchanger 4, the First Heat Exchanger 4 and main steaming It sends out device 3 to be connected to, the main evaporator 3 is connected to the second heat exchanger 5, and the second heat exchanger 5 is connected to main compressor 1;The fission Formula energy-saving type high-temperature air conditioner further includes auxiliary compressor 6 and secondary condenser 7, the outlet tube and secondary condenser 7 of the auxiliary compressor 6 Connection, the secondary condenser 7 are connected to by pipeline with First Heat Exchanger 4, the liquid back pipe and First Heat Exchanger of the auxiliary compressor 6 4 connections.
In the application, second heat exchanger 5 further includes that condensed water nature discharge outlet 5-1, condensing water inlet, refrigerant enter liquid Mouth 5-2 and refrigerant liquid outlet 5-3, the refrigerant liquid inlet 5-2 are connected to by pipeline with main evaporator 3, the refrigerant liquid outlet 5-3 is connected to by pipeline with gas-liquid separator 8;Refrigerant liquid outlet 5-3 is connected to by pipeline with main compressor 1.Refrigerant liquid outlet Gas-liquid separator 8 is set between 5-3 and main compressor 1.3 lower part of main evaporator setting condensation water pond, condensation water pond with it is described cold The connection of condensate entrance.
In some embodiments, filter 9 and throttle valve 10 are provided between the secondary condenser 7 and First Heat Exchanger 4, The upstream of throttle valve 10 is arranged in the filter 9.Main triple valve 11, institute are provided between the filter 9 and throttle valve 10 Main triple valve 11 is stated to connect by pipeline with the secondary triple valve 12 on 6 liquid back pipe of auxiliary compressor;The main triple valve 11 and pair three It is provided with spray cooling device 13 and throttle capillary tube 14 between port valve 12, when compressor exhaust temperature is excessively high, opens this road Solenoid valve, using spray cooling device 13 and throttle capillary tube 14 come to cooling compressor.
The bottom of machine indoors is arranged in the main compressor 1, passes through and collects condensed water caused by indoor machine evaporation The cold and hot amount of the R410A refrigerant and condensed water that enter main compressor 1 is exchanged with each other by cooling capacity by the second heat exchanger 5, Heat in R410A refrigerant cements out, and reduces refrigerant temperature and system pressure into main compressor 1, thus, make principal series System can preferably play refrigeration work consumption, guarantee that main compressor 1 can also operate normally under high temperature environment (55 DEG C -60 DEG C), meanwhile, By collecting the cooling capacity in condensed water, energy-saving effect is reached.
In the application, the First Heat Exchanger 4 is column coaxial heat exchanger, and second heat exchanger 5 is U-shaped heat exchange Device.The Split energy-saving type high temperature air-conditioner further includes condenser fan 15, and the condenser fan 15 is set to the master The top of condenser 2 and secondary condenser 7.A set of U-shaped heat exchanger is arranged in the application, recycles cold in condensed water produced by evaporator Amount carries out time condensation to the refrigerant of condensator outlet, and reduction refrigerant temperature is excessively high, improves the refrigeration system of high energy efficiency ratio in height Normal power output under warm environment, is not necessarily to extra power consumption, energy-saving effect is good.
In the application, main compressor 1 uses R410A refrigerant, and auxiliary compressor 6 uses the refrigerant of R134A.The application is by two kinds Refrigerant, double-compressor, dual system are fused into the split type structure of complete set by the coaxial heat exchanger of two kinds of specifications, have height Energy Efficiency Ratio, high temperature resistant, small in size, light-weight advantage, increase equipment flexible arrangement.
Compared with prior art, Split energy-saving type high temperature air-conditioner provided by the invention, the field suitable for high-temperature operation Institute, structurally reasonable, main refrigeration system is small in size, light-weight, being capable of normal to freeze under 55 DEG C -60 DEG C of environmental working condition, tool There is preferable promotional value, technical effect is detailed in Fig. 2.
The present invention is not limited to the above-described embodiments, anyone can obtain other various forms under the inspiration of the present invention Product, it is all that there is technical side identical or similar to the present application however, make any variation in its shape or structure Case is within the scope of the present invention.

Claims (9)

1. a kind of Split energy-saving type high temperature air-conditioner, which is characterized in that including main compressor, main condenser, main evaporator, One heat exchanger and the second heat exchanger, the main compressor are connected to by pipeline with main condenser, and the main condenser passes through pipeline It being connected to First Heat Exchanger, the First Heat Exchanger is connected to main evaporator, and the main evaporator is connected to the second heat exchanger, the Two heat exchangers are connected to main compressor;The Split energy-saving type high temperature air-conditioner further includes auxiliary compressor and secondary condenser, institute The outlet tube for stating auxiliary compressor is connected to secondary condenser, and the secondary condenser is connected to by pipeline with First Heat Exchanger, the pair The liquid back pipe of compressor is connected to First Heat Exchanger.
2. Split energy-saving type high temperature air-conditioner according to claim 1, which is characterized in that second heat exchanger also wraps Include condensed water nature discharge outlet, condensing water inlet, refrigerant liquid inlet and refrigerant liquid outlet, the refrigerant liquid inlet by pipeline with Main evaporator connection, the refrigerant liquid outlet are connected to by pipeline with main compressor.
3. Split energy-saving type high temperature air-conditioner according to claim 2, which is characterized in that the refrigerant liquid outlet and master Gas-liquid separator is set between compressor.
4. Split energy-saving type high temperature air-conditioner according to claim 2 or 3, which is characterized in that main evaporator lower part is set Condensation water pond is set, condensation water pond is connected to the condensing water inlet.
5. Split energy-saving type high temperature air-conditioner according to claim 1, which is characterized in that the secondary condenser and first Filter and throttle valve are provided between heat exchanger, the upstream of throttle valve is arranged in the filter.
6. Split energy-saving type high temperature air-conditioner according to claim 5, which is characterized in that the filter and throttle valve Between be provided with main triple valve, the main triple valve is connect by pipeline with the secondary triple valve on auxiliary compressor liquid back pipe;It is described Spray cooling device and throttle capillary tube are provided between main triple valve and secondary triple valve.
7. Split energy-saving type high temperature air-conditioner according to claim 1, which is characterized in that the main compressor setting exists The bottom of indoor unit.
8. Split energy-saving type high temperature air-conditioner according to claim 1, which is characterized in that the First Heat Exchanger is vertical Pillar coaxial heat exchanger, second heat exchanger are U-shaped heat exchanger.
9. Split energy-saving type high temperature air-conditioner according to claim 8, which is characterized in that the Split energy-saving type is high Warm air conditioner further includes condenser fan, and the condenser fan is set to the top of the main condenser and secondary condenser.
CN201811400418.6A 2018-11-22 2018-11-22 Split energy-saving type high temperature air-conditioner Pending CN109520164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811400418.6A CN109520164A (en) 2018-11-22 2018-11-22 Split energy-saving type high temperature air-conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811400418.6A CN109520164A (en) 2018-11-22 2018-11-22 Split energy-saving type high temperature air-conditioner

Publications (1)

Publication Number Publication Date
CN109520164A true CN109520164A (en) 2019-03-26

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09145168A (en) * 1995-11-22 1997-06-06 Mitsubishi Heavy Ind Ltd Refrigerating device
KR19980044416U (en) * 1996-12-26 1998-09-25 양재신 Condensate Discharge Structure of Automotive Air Conditioner
DE202011050880U1 (en) * 2011-08-02 2011-09-08 Jianliang Fan air conditioning
CN102889641A (en) * 2012-09-12 2013-01-23 青岛海信日立空调系统有限公司 Air conditioner used in high-temperature environment and control method
CN105485781A (en) * 2016-01-26 2016-04-13 珠海格力电器股份有限公司 Refrigeration equipment
CN205191967U (en) * 2015-12-01 2016-04-27 杭州澳赛诺生物科技有限公司 Overlapping formula cooling water set
CN107076473A (en) * 2014-07-31 2017-08-18 开利公司 Cooling system
CN208998364U (en) * 2018-11-07 2019-06-18 宁波惠康实业有限公司 A kind of air-conditioning with cooling unit
CN209355522U (en) * 2018-11-22 2019-09-06 大连春澜机电设备工程有限公司 Split energy-saving type high temperature air-conditioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09145168A (en) * 1995-11-22 1997-06-06 Mitsubishi Heavy Ind Ltd Refrigerating device
KR19980044416U (en) * 1996-12-26 1998-09-25 양재신 Condensate Discharge Structure of Automotive Air Conditioner
DE202011050880U1 (en) * 2011-08-02 2011-09-08 Jianliang Fan air conditioning
CN102889641A (en) * 2012-09-12 2013-01-23 青岛海信日立空调系统有限公司 Air conditioner used in high-temperature environment and control method
CN107076473A (en) * 2014-07-31 2017-08-18 开利公司 Cooling system
CN205191967U (en) * 2015-12-01 2016-04-27 杭州澳赛诺生物科技有限公司 Overlapping formula cooling water set
CN105485781A (en) * 2016-01-26 2016-04-13 珠海格力电器股份有限公司 Refrigeration equipment
CN208998364U (en) * 2018-11-07 2019-06-18 宁波惠康实业有限公司 A kind of air-conditioning with cooling unit
CN209355522U (en) * 2018-11-22 2019-09-06 大连春澜机电设备工程有限公司 Split energy-saving type high temperature air-conditioner

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